The answer to your problem is
X=12
(10(12)-20) = 120-20 = 100
(6(12)+8) = 72+8=80
100+80 = 180
To simplify this all you need to do is distribute the 4x across each term in the parenthesis
As <em>x</em> → 10 from above, <em>h(x)</em> is steadily approaching 18.5.
Answer:
The answer would be -4.36.